Japanese Prime Minister Shinzo Abe, US President Donald Trump and Australian Prime Minister Malcolm Turnbull meet during the Asean Summit in Manila on Monday. Abe first raised the idea of the Quad 10 years ago. Photo: AP

Japanese Prime Minister Shinzo Abe, US President Donald Trump and Australian Prime Minister Malcolm Turnbull meet during the Asean Summit in Manila on Monday. Abe first raised the idea of the Quad 10 years ago. Photo: AP